Exhibit 1.6. Patient Age Distribution of U.S. Population and Hospital Discharges by Age, 2005
  US Population Hospital Discharges
Age Group Number of Persons Percent Distribution Total Number of Discharges Standard Error Percent Distribution
All Ages* 296,410,404 100 39,163,800 765,017 100
Age ‹1 4,106,627 1 4,977,500 166,359 13
Ages 1-17 69,363,357 23 2,059,100 173,661 5
Ages 18-44 113,312,501 38 10,040,800 255,013 26
Ages 45-64 72,837,806 25 8,660,000 201,052 22
Ages 65-84 31,694,175 11 10,448,800 247,915 27
Ages 85+ 5,095,938 2 2,925,600 73,576 7
Source: AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample, 2005
* Includes a small number of discharges (less than 55,000 or 0.2 percent) with missing age.

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